Gym exercise. Woman using a hand cycle (upper body ergometer) exercise machine in a leisure centre's fitness area while watching a combined television

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Gym exercise. Woman using a hand cycle (upper body ergometer) exercise machine in a leisure centre's fitness area while watching a combined television display and monitor. Different chemicals are produced when exercising and when watching television, and these can conflict and reduce the effectiveness of the exercise.

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Size: 5125px × 3410px
Photo credit: © DAVID WOODFALL IMAGES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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